Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev.6.00 Sep. 27, 2007 Page 519 of 1268
REJ09B0220-0600
TCFV Flag/TCFU Flag Setting Timing: Figure 10.44 shows the timing for setting of the TCFV
flag in TSR by overflow occurrence, and TCIV interrupt request signal timing.
Figure 10.45 shows the timing for setting of the TCFU flag in TSR by underflow occurrence, and
TCIU interrupt request signal timing.
Overflow
signal
TCNT
(overflow)
TCNT input
clock
φ
H'FFFF H'0000
TCFV flag
TCIV interrupt
Figure 10.44 TCIV Interrupt Setting Timing
Underflow signal
TCNT
(underflow)
TCNT
input clock
φ
H'0000 H'FFFF
TCFU flag
TCIU interrupt
Figure 10.45 TCIU Interrupt Setting Timing